.header{
    position: relative;
}
.sk_icon{
    position: absolute;
    left: 185px;
    top: 38px;
    width: 72px;
    height: 32px;
    padding-left: 15px;
    border-left: 1px solid #c81523;
    background: url(../images/sk_03.png) no-repeat 15px 3px;
}

.nav .fl{
 height: 47px; 
}
.nav .fl ul{
    height: 100%;
}
.nav .fl ul li{
    float: left;
    height: 100%;
    font-size: 16px;
    color: #000000;
    font-weight: 700;
    padding: 15px 28px;
}
.nav .fr{
    height: 47px; 
}
.nav .fr ul{
    height: 100%;
}
.nav .fr ul li{
    float: left;
    height: 100%;
    font-size: 14px;
    padding: 17px 22px;
}
.nav .fr ul li:last-child::after{
   content: '';
   font-family: 'icomoon';
   color: #666;
   margin-left: 2px;
}
.list{
    margin-top: 5px;
    margin-bottom: 50px;
}
.list .top_banner{
    height: 121px;
    background: url(../images/banner1.png) no-repeat;
}
 .list_items{
    /* 不能定义高度，因为内部元素数目不确定 */
    margin-top: 5px;
}
.list_items ul{
    width: 1300px;
}
.list_items ul li{
    float: left;
    width: 289px;
    height: 460px;
    border: 1px solid transparent;
    margin-right: 12px;
    margin-top: 10px;
}
.list_items ul li:hover{
    border-color: #ed282e;
}

.product_item{
    height: 100%;
    width: 100%;
    font-size: 14px;
    color: #666666;
}
.product_item .imgfix{
    height: 294px;
    width: 100%;
    line-height: 294px;
    text-align: center;
}
.product_title,.product_price,.selling
{
    padding-left: 13px;
}
.product_item .product_title{
    height: 42px;
    width: 100%;
    overflow: hidden;
}
.product_item .product_price{
    height: 21px;
    line-height: 21px;
    font-size: 18px;
    color: #e60012;
    vertical-align: bottom;
}
.product_item .product_price>span{
    color: #a4a4a4;
    font-size: 14px;
    margin-left: 10px;
    text-decoration: line-through;
}
.product_item .selling{
    height: 24px;
    margin: 5px 0;
    line-height: 24px;
}
.product_item .selling>span:first-of-type{
    float: left;
}
.product_item .selling .process_bar{
    float: left;
    height: 13px;
    width: 132px;
    border-radius: 6px;
    border: solid 1px #ed282e;
    margin: 5.5px 13px;
}
.product_item .selling .process_bar .process{
    width: calc(100% * 0.87);
    height: 100%;
    background-color: #ed282e;
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
}
.product_item .selling>div:last-of-type{
    float: left;
    height: 100%;
}
.product_item .selling .product_last{
    color: #ed282e;
}
.product_item button{
    width: 100%;
    height: 50px;
    background-color: #b1191a;
    color: #ffffff;
    text-align: center;
    line-height: 50px;
    font-size: 20px;
    border: 0;
    border-radius: 0;
    /* 务必注意吧按钮的border-radius改为0并去除边界 */
    margin-top: 21px;
}